techolga opened a new issue, #39972:
URL: https://github.com/apache/airflow/issues/39972
### Apache Airflow version
2.9.1
### If "Other Airflow 2 version" selected, which one?
_No response_
### What happened?
When I try to add item validation to an array type in the schema of a Param
object passed to a DAG, the UI does render a Code box instead of an Array box
and does not validate the jsonschema properly.
### What you think should happen instead?
It should render the same UI element as it does when there is no field
"items" in the schema.
### How to reproduce
```python
@dag(
schedule=None,
params={
"mail": Param(
schema={
"title": "Email addresses",
"type": ["array", "null"],
# The following causes the issue (even "items": {} is enough)
"items": {
"type": "string",
"format": "idn-email",
"minLength": 5,
"maxLength": 255,
},
}
),
},
)
def any_dag():
...
```
Test validation in REPL:
```python
import jsonschema
schema={
"type": ["array", "null"],
"items": {
"type": "string",
"format": "idn-email",
"minLength": 5,
"maxLength": 255,
},
}
jsonschema.validate(['[email protected]'], schema,
format_checker=jsonschema.FormatChecker())
# does not raise an exception
jsonschema.validate(['testmail.com'], schema,
format_checker=jsonschema.FormatChecker())
# does raise an exception
```
### Operating System
Debian GNU/Linux 12 (bookworm)
### Versions of Apache Airflow Providers
apache-airflow-providers-amazon==8.20.0
apache-airflow-providers-celery==3.6.2
apache-airflow-providers-cncf-kubernetes==8.1.1
apache-airflow-providers-common-io==1.3.1
apache-airflow-providers-common-sql==1.12.0
apache-airflow-providers-docker==3.10.0
apache-airflow-providers-elasticsearch==5.3.4
apache-airflow-providers-fab==1.0.4
apache-airflow-providers-ftp==3.8.0
apache-airflow-providers-google==10.17.0
apache-airflow-providers-grpc==3.4.1
apache-airflow-providers-hashicorp==3.6.4
apache-airflow-providers-http==4.10.1
apache-airflow-providers-imap==3.5.0
apache-airflow-providers-microsoft-azure==10.0.0
apache-airflow-providers-mysql==5.5.4
apache-airflow-providers-odbc==4.5.0
apache-airflow-providers-openlineage==1.7.0
apache-airflow-providers-postgres==5.10.2
apache-airflow-providers-redis==3.6.1
apache-airflow-providers-sendgrid==3.4.0
apache-airflow-providers-sftp==4.9.1
apache-airflow-providers-slack==8.6.2
apache-airflow-providers-smtp==1.6.1
apache-airflow-providers-snowflake==5.4.0
apache-airflow-providers-sqlite==3.7.1
apache-airflow-providers-ssh==3.10.1
### Deployment
Docker-Compose
### Deployment details
_No response_
### Anything else?
_No response_
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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